Merge pull request #6185 from ethereum-optimism/jg/simple_contract_index

op-challenger: Add ContractIndex & ParentContractIndex to Claim

op-challenger/fault/types.go

@@ -32,6 +32,10 @@ type ClaimData struct {
 type Claim struct {
 	ClaimData
 	Parent ClaimData
+	// Location of the claim & it's parent inside the contract. Does not exist
+	// for claims that have not made it to the contract.
+	ContractIndex       int
+	ParentContractIndex int
 }
 
 // IsRoot returns true if this claim is the root claim.